Since winning the Iowa Straw Poll, RepresentativeMichele Bachmann‘s poll numbers have dwindled to the single digits. Now, a Tea Party group is publicly accusing the Minnesotan of being an unserious candidate and trying to ride her Tea Party credentials to book sales and calling for her to quit the race.

A Tea Party group that calls itself American Majority would prefer for Rep. Bachmann to step back and leave the race to viable contenders.

The group’s president, Ned Ryun, issued a statement calling for her to quit and accusing her of being nary more than a loose cannon concerned with promoting her book that’s coming out next month.

As her poll numbers fall, the group worries she’ll stray from the Tea Party’s economic message and start talking abortion and gays, which draws attention away from the fact that Tea Partiers hate to pay taxes.

Rep. Bachmann’s camp thinks the group wants her out because Ryun supports Texas Gov. Rick Perry. Her campaign manager responded,

The strength of the Tea Party is all individual’s opinions are valued but the no single leader speaks for it. Mr. Ryun, who supports Texas Gov. Rick Perry, is entitled to his own opinion. And that’s exactly what he is expressing. Michele Bachmann enjoys strong support from Americans across party lines and that certainly includes the Tea Party. She will continue to be a strong advocate for the values and principles reflected by the Tea Party as works toward a victory in the first-in-the-nation Iowa caucuses as she seeks to win the Republican nomination.

Other Tea Party groups haven’t called for Bachmann’s resignation. Most major groups have yet to throw their support behind one candidate, even though it’s pretty obvious that Michele Bachmann will not be the Republican party’s 2012 Presidential nominee.

Meanwhile, Rep. Bachmann’s still out there campaigning. On Thursday, she lamented the moral hazard of providing debt relief to student loan holders:

There is a morality in keeping our financial promises, and I don’t think we should push that off onto the taxpayer. The individual needs to repay and be responsible for repaying their student loan debt.